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Authors: S. Fan, R. Baets, A. Petrov, X. Yu, J.D. Joannopoulos, W. Freude, A. Melloni, M. Popovic, M. Vanwolleghem, D. Jalas, M. Eich, M. Krause, H. Renner, E. Brinkmeyer, C. R. Doerr
Title: Comment on "nonreciprocal light propagation in a silicon photonic circuit"
Format: International Journal
Publication date: 1/2012
Journal/Conference/Book: Science
Volume(Issue): 335 p.38b
Internal Reference: [N-1231]
Download: Download this Publication (207KB) (207KB)

Abstract

We show that the structure demonstrated by Feng et al. (Reports, 5 August 2011, p. 729)
cannot enable optical isolation because it possesses a symmetric scattering matrix. Moreover,
one cannot construct an optical isolator by incorporating this structure into any system as long
as the system is linear and time-independent and is described by materials with a scalar
dielectric function.


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